var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
// 属性装饰器
function addDecorator(target, key) {
    console.log("target   ->", target);
    console.log("key      ->", key);
    // 给该属性在原型链中增加 _key 的属性
    Object.defineProperty(target, "_" + key, {
        writable: true,
        enumerable: true,
        configurable: true
    });
}
var Phone = /** @class */ (function () {
    function Phone() {
        this.name = "mm1";
    }
    __decorate([
        addDecorator
    ], Phone.prototype, "name", void 0);
    return Phone;
}());
var p1 = new Phone();
console.log(p1); //{name:'mm1'},__proto__:{_name:undefined}
